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Fair Value Measurements (Quantitative Information about Unobservable Inputs) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2017 | Aug. 31, 2017 | Nov. 30, 2017 | Nov. 30, 2016 | Nov. 30, 2015
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Impairment of goodwill and intangible assets |  |  | $ 0 | $ 92,000,000 | $ 0
Impairment of goodwill and long-lived assets |  |  | 762,000 |  | $ 4,962,000
Application Development and Deployment [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Impairment of goodwill and intangible assets | $ 92,000,000 |  |  | $ 92,000,000 |
Application Development and Deployment [Member] | Nonrecurring Basis [Member] | Level 3 [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Impairment of goodwill and intangible assets | $ 92,000,000 |  | $ 92,000,000 |  |
Purchased Technology [Member] | Nonrecurring Basis [Member] | Modulus [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Impairment of goodwill and long-lived assets |  | $ 5,100,000 |  |  |

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